diff --git a/service/src/InstructorIQ.WebApplication/InstructorIQ.WebApplication.csproj b/service/src/InstructorIQ.WebApplication/InstructorIQ.WebApplication.csproj
index d904ef0..71c1e2a 100644
--- a/service/src/InstructorIQ.WebApplication/InstructorIQ.WebApplication.csproj
+++ b/service/src/InstructorIQ.WebApplication/InstructorIQ.WebApplication.csproj
@@ -16,7 +16,7 @@
     <PackageReference Include="BuildBundlerMinifier" Version="3.2.449" />
     <PackageReference Include="CommonMark.NET" Version="0.15.1" />
     <PackageReference Include="FluentValidation.AspNetCore" Version="11.3.1" />
-    <PackageReference Include="Ical.Net" Version="4.3.1" />
+    <PackageReference Include="Ical.Net" Version="5.1.1" />
     <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="9.0.0" />
     <PackageReference Include="NetEscapades.AspNetCore.SecurityHeaders" Version="1.1.0" />
     <PackageReference Include="Serilog.AspNetCore" Version="9.0.0" />